/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --deep-oak: #3E2C20;
      --sharp-orange: #F47B20;
      --teal-green: #0F9B8E;
      --warm-porcelain: #FDFBF7;
      --linen-gray: #F4EFE9;
      --border-soft: #E8E2D9;
      --text-weak: #6B625A;
      --radius-card: 12px;
      --radius-btn: 8px;
      --shadow-hover: 0 12px 24px -8px rgba(62,44,32,0.15);
      --transition-base: all 0.25s ease;
    }
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
      background-color: var(--warm-porcelain);
      color: var(--deep-oak);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 2rem;
    }
    @media (max-width: 768px) {
      .container {
        padding: 0 1.5rem;
      }
    }
    /* 导航 */
    .navbar {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(253, 251, 247, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-soft);
      padding: 0.75rem 0;
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .logo {
      font-weight: 800;
      font-size: 1.75rem;
      letter-spacing: -0.02em;
      color: var(--deep-oak);
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 0.25rem;
    }
    .logo .icon-88 {
      color: var(--sharp-orange);
      font-weight: 700;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 1.75rem;
    }
    .nav-links a {
      text-decoration: none;
      color: var(--deep-oak);
      font-weight: 500;
      font-size: 0.95rem;
      position: relative;
      padding: 0.25rem 0;
      transition: color 0.2s;
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--sharp-orange);
      transition: width 0.25s ease;
    }
    .nav-links a:hover {
      color: var(--sharp-orange);
    }
    .nav-links a:hover::after,
    .nav-links a.active::after {
      width: 100%;
    }
    .nav-links a.active {
      color: var(--sharp-orange);
    }
    .nav-divider {
      width: 1px;
      height: 18px;
      background: var(--border-soft);
      margin: 0 0.25rem;
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      color: var(--deep-oak);
      font-size: 1.5rem;
    }
    @media (max-width: 768px) {
      .desktop-nav {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .mobile-nav {
        display: none;
        flex-direction: column;
        background: var(--warm-porcelain);
        padding: 1rem 2rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border-soft);
      }
      .mobile-nav.open {
        display: flex;
      }
    }
    /* 按钮 */
    .btn-primary {
      background: var(--sharp-orange);
      color: white;
      font-weight: 600;
      padding: 0.75rem 2rem;
      border-radius: var(--radius-btn);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      transition: background 0.2s, transform 0.1s;
      border: none;
      cursor: pointer;
    }
    .btn-primary:hover {
      background: #E06A10;
    }
    .btn-secondary {
      background: transparent;
      color: var(--deep-oak);
      border: 1.5px solid var(--deep-oak);
      font-weight: 600;
      padding: 0.75rem 2rem;
      border-radius: var(--radius-btn);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      transition: all 0.2s;
    }
    .btn-secondary:hover {
      background: var(--deep-oak);
      color: white;
    }
    .text-link {
      color: var(--deep-oak);
      text-decoration: underline;
      text-underline-offset: 4px;
      transition: color 0.2s, text-decoration-color 0.2s;
    }
    .text-link:hover {
      color: var(--sharp-orange);
      text-decoration-color: var(--sharp-orange);
    }
    /* 卡片 */
    .card {
      background: var(--warm-porcelain);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-card);
      padding: 1.75rem;
      transition: var(--transition-base);
    }
    .card:hover {
      border-color: var(--teal-green);
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    /* 杂志网格 */
    .magazine-grid {
      display: grid;
      grid-template-columns: 1fr 1.5fr;
      gap: 1.5rem;
    }
    @media (max-width: 768px) {
      .magazine-grid {
        grid-template-columns: 1fr;
      }
    }
    /* 瀑布流 */
    .masonry-grid {
      columns: 3;
      column-gap: 1.5rem;
    }
    .masonry-item {
      break-inside: avoid;
      margin-bottom: 1.5rem;
      border-radius: var(--radius-card);
      overflow: hidden;
      position: relative;
      transition: transform 0.3s;
    }
    .masonry-item img {
      width: 100%;
      display: block;
      border-radius: var(--radius-card);
    }
    .masonry-overlay {
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background: rgba(62,44,32,0.25);
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.3s;
    }
    .masonry-item:hover .masonry-overlay {
      opacity: 1;
    }
    @media (max-width: 768px) {
      .masonry-grid {
        columns: 1;
      }
    }
    /* FAQ 手风琴 */
    .faq-item {
      border-bottom: 1px solid var(--border-soft);
      padding: 1.25rem 0;
    }
    .faq-question {
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      color: var(--deep-oak);
    }
    .faq-icon {
      font-size: 1.5rem;
      transition: transform 0.25s;
      color: var(--deep-oak);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
      padding-left: 1.25rem;
      border-left: 2px solid var(--teal-green);
      margin-top: 0.5rem;
      color: var(--text-weak);
    }
    .faq-item.open .faq-answer {
      max-height: 300px;
    }
    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      color: var(--sharp-orange);
    }
    /* 表单 */
    .input-field {
      background: rgba(255,255,255,0.15);
      border: 1px solid rgba(255,255,255,0.3);
      border-radius: var(--radius-btn);
      padding: 0.8rem 1rem;
      width: 100%;
      color: white;
      backdrop-filter: blur(4px);
    }
    .input-field::placeholder {
      color: rgba(255,255,255,0.7);
    }
    .dark-section {
      background: var(--deep-oak);
      color: white;
    }
    footer {
      background: var(--linen-gray);
      color: var(--deep-oak);
    }